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You calculate it using your moment of inertia equations corresponding to the geometry of the object. There's no simple device I don't think that you can buy to just measure it.

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17y ago

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Calculate acceleration by torque and moment of inertia?

The acceleration of an object can be calculated using the formula: ( a = \frac{T}{I} ), where ( a ) is the acceleration, ( T ) is the torque applied, and ( I ) is the moment of inertia of the object. The moment of inertia is a measure of an object's resistance to changes in its rotational motion, and is specific to the object's shape and mass distribution.


How to calculate angular acceleration from torque?

To calculate angular acceleration from torque, use the formula: angular acceleration torque / moment of inertia. Torque is the force applied to an object to make it rotate, and moment of inertia is a measure of an object's resistance to changes in its rotation. By dividing the torque by the moment of inertia, you can determine the angular acceleration of the object.


How can one determine the angular acceleration of an object by using the torque applied to it?

To determine the angular acceleration of an object using the torque applied to it, you can use the formula: angular acceleration torque / moment of inertia. Torque is the rotational force applied to an object, and moment of inertia is a measure of how an object's mass is distributed around its axis of rotation. By dividing the torque by the moment of inertia, you can calculate the object's angular acceleration.


What structure is involved in angular acceleration?

Angular acceleration is a measure of how quickly the angular velocity of an object is changing. It involves the object's moment of inertia and the net torque acting on it. When a torque is applied to an object with a certain moment of inertia, it causes the object to accelerate rotationally.


What is the relationship between the moment of inertia times alpha in the context of rotational motion?

The relationship between the moment of inertia and angular acceleration (alpha) in rotational motion is described by the equation I, where represents the torque applied to an object, I is the moment of inertia, and is the angular acceleration. This equation shows that the torque applied to an object is directly proportional to its moment of inertia and angular acceleration.


What is the significance of the moment of inertia list in the context of rotational dynamics?

The moment of inertia is a measure of an object's resistance to changes in its rotational motion. In the context of rotational dynamics, the moment of inertia list is significant because it helps determine how an object will respond to external forces and torques, influencing its rotational acceleration and stability.


What is the constant of proportionality between torque and angular acceleration?

The rotating object's moment of inertia. Similar to Newton's Second Law, commonly quoted as "force = mass x acceleration", there is an equivalent law for rotational movement: "torque = moment of inertia x angular acceleration". The moment of inertia depends on the rotating object's mass and its exact shape - you can even have a different moment of inertia for the same shape, if the axis of rotation is changed. If you use SI units, and radians for angles (and therefore radians/second2 for angular acceleration), no further constants of proportionality are required.


What is difference between polar moment of inertia and moment of inertia?

Polar moment of inertia of an area is a quantity used to predict an object's ability to resist torsion.Moment of inertia, also called mass moment of inertia or the angular mass, (SI units kg m2, Imperial Unit slug ft2) is a measure of an object's resistance to changes in its rotation rate.


What is different between inertia and moment of inertia?

The ability of a body to maintain its state, either in motion or in rest position against any external force is called Inertia while the moment of inertia is defined as the measure of an object's resistance to any change in its state of rotation.


Mass moment of inertia of a flywheel?

define moment of inertia§ I is the moment of inertia of the mass about the center of rotation. The moment of inertia is the measure of resistance to torque applied on a spinning object (i.e. the higher the moment of inertia, the slower it will spin after being applied a given force).


Is angular acceleration and torque per unit moment of inertia are equal?

In magnitude, yes. But that's a strange way of expressing it, since the angular acceleration is the product/result of the torque. Your statement seems in a way to confuse the dependent and independent variables. But the numbers are sound. L = Iα so L/I =α sure enough. It's the rotational analog of F = MA. The analogous statement would be to say that linear acceleration is equal to force per unit of mass. Relatively harmless, I guess.


What are the types of moment of force?

Don't know what the textbooks might tell you but I think this list of moments of inertia is rather comprehensive: rectangle circle cylinder hollow cylinder i beam triangle rod square disk area mass sphere hoop rotational t section ring shaft semi circle But these are moments of inertia. Not clear what you mean by moment of "force." Of course there is a force associated with moments of inertia. And that's the force F that is turning the object that has the inertia. In general that force is F = Ia where I is the moment of inertia and a is angular acceleration of the object.